Proudly Australian Owned & Operated

Proudly Australian Owned & Operated

Now in its 3rd generation of ownership, Master Instruments continues to specialise in the manufacture, importation & distribution of batteries, battery packs & associated equipment such as battery chargers, analysers & power products, for both the consumer & industrial sectors.

Our Products

Our Products

From consumer focused AA batteries to replacement mobile or laptop batteries; or an in-house manufactured medical equipment battery to fully customised battery solutions for mining or defence projects, we.ll have a suitable solution for you.

Retail & Wholesale Support

Retail & Wholesale Support

With over 8000 stocked lines covering a multitude of applications and fitments, MI can support your retail or wholesale business by providing fast and efficient service and quality products. Our strength is our ability to efficiently cater to all size orders.

Custom & Industrial Battery Solutions

Custom & Industrial Battery Solutions

With in-house & offshore manufacturing capabilities specialising in all primary and rechargeable technologies, we have proven results in industries such as mining, medical, defence and more.

Batteries By Application Use

Explore by product category, application or intended use

Batteries By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom battery pack assembly provision

Industry Solutions

Explore our capabilities to supply your industry need

Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery assembly components, parts, leads & connectors

Test & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

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Featured Products

Battery for Nighthawk Modem

We have replacement batteries for the Netgear Nighthawk M1 in stock! Click the heading to read more

Victron Phoenix IP43 Smart Charger

Victron's IP43 Phoenix Range of smart chargers now available!  Click the heading to read more

2 Metre USB-A to Lightning Charge Cable

Enecharger's premium new 2 metre charge & data cable, compatible with apple products!  Click the heading for more

Action Camera Batteries for GoPro

Replacement Batteries for GoPro Hero Models now in Stock!  Click the heading for more

Products by Brand


Helping the Orphans


Master Instruments donates large television to an orphanage in Fiji.Read More

Wiring Unlimited


Victron Energy's long awaited Wiring Unlimited book is now availableRead More

NiMH Power Tool batteries


Master Instruments is changing some NiCd Power Tool batteries to NiMHRead More

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